Certified Cloud Security Professional (CCSP) — Question 391

Which of the following provides assurance, to a predetermined acceptable level of certainty, that an entity is indeed who they claim to be?

Answer options

• A. Authentication
• B. Identification
• C. Proofing
• D. Authorization

Correct answer: A

Explanation

Authentication is the process that verifies the identity of a user or entity, ensuring they are who they claim to be. Identification refers to presenting an identity, while proofing involves establishing credentials, and authorization determines what a user can access, none of which directly confirm identity.